design
design technology
designer's own words:
Each time, when we open the door and enter into the room, inside of the room is always black, always need to look for the switch This kind of the door let our life more convenience . It combines the traditional door and light, when we turn the handle, the light will be on at the same time . When the door is shut, the light will be shut too, and will economize the electricity. If use this door at the public interior corridor, when the door is opened, at the same time the light is getting on, points out the person who is in another side be careful.